diff --git a/dlls/mlang/tests/mlang.c b/dlls/mlang/tests/mlang.c
index ed491a35653..98671f1d61f 100644
--- a/dlls/mlang/tests/mlang.c
+++ b/dlls/mlang/tests/mlang.c
@@ -299,7 +299,7 @@ static void test_EnumCodePages(IMultiLanguage2 *iML2, DWORD flags)
 
     if (!flags)
     {
-	ok(n == total, "IEnumCodePage_Next: expected %u, got %lu", total, n);
+	ok(n == total, "IEnumCodePage_Next: expected %u, got %lu\n", total, n);
 
 	flags = MIMECONTF_MIME_LATEST;
     }
diff --git a/dlls/ole32/tests/storage32.c b/dlls/ole32/tests/storage32.c
index 767824a8f7e..4d5d32d1ab6 100644
--- a/dlls/ole32/tests/storage32.c
+++ b/dlls/ole32/tests/storage32.c
@@ -58,7 +58,7 @@ void test_hglobal_storage_stat(void)
     todo_wine {
     ok( stat.grfMode == 0x12, "grf mode is incorrect\n");
     }
-    ok( !memcmp(&stat.clsid, &test_stg_cls, sizeof test_stg_cls), "CLSID is wrong");
+    ok( !memcmp(&stat.clsid, &test_stg_cls, sizeof test_stg_cls), "CLSID is wrong\n");
 
     refcount = IStorage_Release( stg );
     ok( refcount == 0, "IStorage refcount is wrong\n");
diff --git a/dlls/user/tests/clipboard.c b/dlls/user/tests/clipboard.c
index 59108d6b23e..7cb02dc1d78 100644
--- a/dlls/user/tests/clipboard.c
+++ b/dlls/user/tests/clipboard.c
@@ -76,7 +76,7 @@ static void test_ClipboardOwner(void)
     ok(!OpenClipboard(hWnd2) && GetLastError() == 0xdeadbeef,
        "OpenClipboard should fail without setting last error value\n");
 
-    ok(CloseClipboard(), "CloseClipboard error %ld", GetLastError());
+    ok(CloseClipboard(), "CloseClipboard error %ld\n", GetLastError());
     ok(GetClipboardOwner() == hWnd1, "clipboard should still be owned\n");
 
     ok(DestroyWindow(hWnd1), "DestroyWindow error %ld\n", GetLastError());
diff --git a/dlls/user/tests/dialog.c b/dlls/user/tests/dialog.c
index 52dcd8e4b06..8c346d85f25 100644
--- a/dlls/user/tests/dialog.c
+++ b/dlls/user/tests/dialog.c
@@ -562,7 +562,7 @@ static void WM_NEXTDLGCTLTest(void)
     DefDlgProcA( g_hwndTestDlgBut1, BM_SETSTYLE, BS_DEFPUSHBUTTON, FALSE );
     dwVal = DefDlgProcA(g_hwndTestDlg, DM_GETDEFID, 0, 0);
 
-    ok ( IDCANCEL == (LOWORD(dwVal)), "Did not set default ID" );
+    ok ( IDCANCEL == (LOWORD(dwVal)), "Did not set default ID\n" );
 
     /*
      * Check whether message WM_NEXTDLGCTL is changing the focus to next control and if